Electromagnetic traction increaser



D. E. WEHNER I mcmomenmc TRACTION INGREASER Filed Dec. 2, 1936 l ummm 10 helix.

Patented lip se, 194i) I c I I v I a UNITED STATES. PATENT OFFICE ELECTROMAGNETIC VTRACTIONINCRIEASE David EJWchner, Allison Park, Pa. Application December 2, 1936, Serial No. 113,940 101mm. (01. 105-77) This invention relates to apparatus for railportion of the wheel as shown in Figures 1 and 4 roads whereby to have magnetized rims on the spaced from the rail and giving'clearance for the wheels of railroad locomotives and-cars whereby wheel to revolve. Said helix is held in place by to have traction and stick to a magnetic rail. structural members 39a and 40a. which extend 5 In the accompanying drawing forming part of from frame Ma. '38 designates a-rail which is 5 this specification: magnetic. id-is a rheostat which can be located Figure 1 is a longitudinal view of an apparatus at any convenient place on the railroad locomoconstructed in accordance with the invention, tive or railroad'car with which the invention is showing in cross section the electromagnetic: associated; The electric lead lines 45 and 46 carry the current to the helix 3'! to control the Figure 2 is an end View of the frame and wheel electromagnetic intensity. 5?! designates a nonand shows a cross section of the rail, and, also magnetic spike which secures the rail to tie 55 the spikes. l r 1 whereby preventing attraction thereof by the Figure 3 is a top plan view of the wheel, frame, magnetized rim. 55 designates the tie which suprail, spikes, and shows part of the electromagnetic ports the rail and it being understood that the tie, l5

helix. v is similar to any common railroad track tie.

Figure 4 is a transverse vertical crosssectional In operation the electromagnetic helix is enview of wheel, frame, tie, and the electromagnetic ergized' by electrical current controlled by rheohelix, and magnetic rail showing the associated stat M which regulates the electromagnetic innonmagnetic spikes. p tensity and forms a magneticfiux through the 20 Referring to the numbers in the drawing which portion of the permanent magnetic rim which has designate characters of reference, lla designates magnetic properties. Further the magnetized a frame which can be clamped to any axle frame rimf attracts the magnetic rail perpendicularly on a railroad locomotive or railroad car and which increases the traction between the rail and .25 which frame, fits on the wheel axle as "designated the wheell The nonmagnetic flange Prevents by reference numeral 5!, to the axle frame on the lateral attraction {to the side of the rail by maglocomotive or car longitudinal to. make it rigid netism and binding on the rail. The nonmagand to hold the electromagnetic helix in lateral 'netic wheel prevents magnetic resistance. And and longitudinal position to clear the magnetic when the electromagnetic helix is de-energized rail and Wheel. 39a and 40a designate memthe permanent magnetic rim loses its magnetism 30 bers attached'to the frame Ma and being of to the pointof its residual magnetism,,and the one piece of material which incloses the lower residual and permanent magnetism ofthe said and outside portions of the electromagnetic attracts the magnetic rail to increase trachelix 3 1, and which support the electromagnetic tion and to stay on the rail. The associated rail helix 31. 36 designates the wheel for a railroad spikes being nonmagnetic, prevent attraction by 35 wheel truck which is nonmagnetic, the flange bethe magnetized rim.

ing nonmagnetic whereby to prevent lateral at- Iiclaim:

c fl y magnetism and binding on the rail, In combination in a railroad car, a permanent and it being understood that the wheel and flange magnetic rim on a non-magnetic wheel having 40 are formed of nonmagnetic substance similar to a non+magnjetic flange, anelectromagnetic helix 40 tromagnetic helix which surrounds the lower any common wheel and of which said wheel fits supported by the car and positioned closely adjatight on axle 5|. 3811 designates a rim of percent to the lower portions of the said wheel and mane t magneticsubstance which fits ight On adapted to be supplied With car carried current, over the wheel and against the flange and which said helix when energized, increasing the magby magnetic induction from the electromagnetic netis m of the said rim for magnetic attraction 45 helix 31 forms a magnetic attraction between the to a magnetic track rail supporting said wheel rim and the rail 38, and it being undertsood that for rotary movement thereover, thereby, inthe rim is similar to any common type rim nd creasing adhesion between said trackrail and being pressed on the wheel. 3'! designates an elecsaid wheel. I

. DAVID E. WERNER; I0 

